Home / 20,707.58-28,544.19-17,344.46

Finding the Fourth Proportional to 20,707.58, 28,544.19 and 17,344.46

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Solution

The fourth proportional to 20,707.58, 28,544.19 and 17,344.46 is: 23,908.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,707.58 : 28,544.19 = 17,344.46 : x
  2. Step 2: Convert to fraction form
    20,707.58/28,544.19 = 17,344.46/x
  3. Step 3: Cross multiply
    20,707.58x = 28,544.19 × 17,344.46
  4. Step 4: Simplify right side
    20,707.58x = 495,083,561.69
  5. Step 5: Solve for x
    x = 495,083,561.69/20,707.58
  6. Step 6: Final answer
    x = 23,908.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.